375 lines
11 KiB
JavaScript
375 lines
11 KiB
JavaScript
/*
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Copyright (C) 2011 by Yehuda Katz
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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@license
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*/
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// lib/handlebars/browser-prefix.js
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(function(undefined) {
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var Handlebars = {};
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;
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// lib/handlebars/base.js
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Handlebars.VERSION = "1.0.0";
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Handlebars.COMPILER_REVISION = 4;
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Handlebars.REVISION_CHANGES = {
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1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
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2: '== 1.0.0-rc.3',
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3: '== 1.0.0-rc.4',
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4: '>= 1.0.0'
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};
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Handlebars.helpers = {};
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Handlebars.partials = {};
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var toString = Object.prototype.toString,
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functionType = '[object Function]',
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objectType = '[object Object]';
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Handlebars.registerHelper = function(name, fn, inverse) {
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if (toString.call(name) === objectType) {
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if (inverse || fn) { throw new Handlebars.Exception('Arg not supported with multiple helpers'); }
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Handlebars.Utils.extend(this.helpers, name);
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} else {
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if (inverse) { fn.not = inverse; }
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this.helpers[name] = fn;
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}
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};
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Handlebars.registerPartial = function(name, str) {
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if (toString.call(name) === objectType) {
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Handlebars.Utils.extend(this.partials, name);
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} else {
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this.partials[name] = str;
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}
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};
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Handlebars.registerHelper('helperMissing', function(arg) {
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if(arguments.length === 2) {
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return undefined;
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} else {
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throw new Error("Missing helper: '" + arg + "'");
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}
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});
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Handlebars.registerHelper('blockHelperMissing', function(context, options) {
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var inverse = options.inverse || function() {}, fn = options.fn;
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var type = toString.call(context);
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if(type === functionType) { context = context.call(this); }
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if(context === true) {
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return fn(this);
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} else if(context === false || context == null) {
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return inverse(this);
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} else if(type === "[object Array]") {
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if(context.length > 0) {
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return Handlebars.helpers.each(context, options);
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} else {
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return inverse(this);
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}
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} else {
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return fn(context);
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}
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});
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Handlebars.K = function() {};
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Handlebars.createFrame = Object.create || function(object) {
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Handlebars.K.prototype = object;
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var obj = new Handlebars.K();
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Handlebars.K.prototype = null;
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return obj;
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};
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Handlebars.logger = {
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DEBUG: 0, INFO: 1, WARN: 2, ERROR: 3, level: 3,
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methodMap: {0: 'debug', 1: 'info', 2: 'warn', 3: 'error'},
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// can be overridden in the host environment
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log: function(level, obj) {
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if (Handlebars.logger.level <= level) {
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var method = Handlebars.logger.methodMap[level];
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if (typeof console !== 'undefined' && console[method]) {
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console[method].call(console, obj);
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}
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}
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}
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};
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Handlebars.log = function(level, obj) { Handlebars.logger.log(level, obj); };
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Handlebars.registerHelper('each', function(context, options) {
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var fn = options.fn, inverse = options.inverse;
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var i = 0, ret = "", data;
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var type = toString.call(context);
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if(type === functionType) { context = context.call(this); }
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if (options.data) {
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data = Handlebars.createFrame(options.data);
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}
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if(context && typeof context === 'object') {
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if(context instanceof Array){
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for(var j = context.length; i<j; i++) {
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if (data) { data.index = i; }
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ret = ret + fn(context[i], { data: data });
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}
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} else {
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for(var key in context) {
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if(context.hasOwnProperty(key)) {
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if(data) { data.key = key; }
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ret = ret + fn(context[key], {data: data});
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i++;
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}
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}
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}
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}
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if(i === 0){
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ret = inverse(this);
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}
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return ret;
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});
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Handlebars.registerHelper('if', function(conditional, options) {
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var type = toString.call(conditional);
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if(type === functionType) { conditional = conditional.call(this); }
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if(!conditional || Handlebars.Utils.isEmpty(conditional)) {
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return options.inverse(this);
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} else {
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return options.fn(this);
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}
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});
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Handlebars.registerHelper('unless', function(conditional, options) {
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return Handlebars.helpers['if'].call(this, conditional, {fn: options.inverse, inverse: options.fn});
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});
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Handlebars.registerHelper('with', function(context, options) {
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var type = toString.call(context);
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if(type === functionType) { context = context.call(this); }
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if (!Handlebars.Utils.isEmpty(context)) return options.fn(context);
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});
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Handlebars.registerHelper('log', function(context, options) {
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var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
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Handlebars.log(level, context);
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});
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;
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// lib/handlebars/utils.js
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var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];
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Handlebars.Exception = function(message) {
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var tmp = Error.prototype.constructor.apply(this, arguments);
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// Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
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for (var idx = 0; idx < errorProps.length; idx++) {
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this[errorProps[idx]] = tmp[errorProps[idx]];
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}
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};
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Handlebars.Exception.prototype = new Error();
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// Build out our basic SafeString type
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Handlebars.SafeString = function(string) {
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this.string = string;
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};
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Handlebars.SafeString.prototype.toString = function() {
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return this.string.toString();
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};
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var escape = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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"`": "`"
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};
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var badChars = /[&<>"'`]/g;
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var possible = /[&<>"'`]/;
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var escapeChar = function(chr) {
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return escape[chr] || "&";
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};
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Handlebars.Utils = {
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extend: function(obj, value) {
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for(var key in value) {
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if(value.hasOwnProperty(key)) {
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obj[key] = value[key];
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}
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}
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},
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escapeExpression: function(string) {
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// don't escape SafeStrings, since they're already safe
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if (string instanceof Handlebars.SafeString) {
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return string.toString();
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} else if (string == null || string === false) {
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return "";
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}
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// Force a string conversion as this will be done by the append regardless and
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// the regex test will do this transparently behind the scenes, causing issues if
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// an object's to string has escaped characters in it.
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string = string.toString();
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if(!possible.test(string)) { return string; }
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return string.replace(badChars, escapeChar);
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},
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isEmpty: function(value) {
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if (!value && value !== 0) {
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return true;
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} else if(toString.call(value) === "[object Array]" && value.length === 0) {
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return true;
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} else {
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return false;
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}
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}
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};
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;
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// lib/handlebars/runtime.js
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Handlebars.VM = {
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template: function(templateSpec) {
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// Just add water
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var container = {
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escapeExpression: Handlebars.Utils.escapeExpression,
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invokePartial: Handlebars.VM.invokePartial,
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programs: [],
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program: function(i, fn, data) {
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var programWrapper = this.programs[i];
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if(data) {
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programWrapper = Handlebars.VM.program(i, fn, data);
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} else if (!programWrapper) {
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programWrapper = this.programs[i] = Handlebars.VM.program(i, fn);
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}
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return programWrapper;
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},
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merge: function(param, common) {
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var ret = param || common;
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if (param && common) {
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ret = {};
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Handlebars.Utils.extend(ret, common);
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Handlebars.Utils.extend(ret, param);
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}
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return ret;
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},
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programWithDepth: Handlebars.VM.programWithDepth,
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noop: Handlebars.VM.noop,
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compilerInfo: null
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};
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return function(context, options) {
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options = options || {};
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var result = templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data);
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var compilerInfo = container.compilerInfo || [],
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compilerRevision = compilerInfo[0] || 1,
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currentRevision = Handlebars.COMPILER_REVISION;
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if (compilerRevision !== currentRevision) {
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if (compilerRevision < currentRevision) {
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var runtimeVersions = Handlebars.REVISION_CHANGES[currentRevision],
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compilerVersions = Handlebars.REVISION_CHANGES[compilerRevision];
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throw "Template was precompiled with an older version of Handlebars than the current runtime. "+
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"Please update your precompiler to a newer version ("+runtimeVersions+") or downgrade your runtime to an older version ("+compilerVersions+").";
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} else {
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// Use the embedded version info since the runtime doesn't know about this revision yet
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throw "Template was precompiled with a newer version of Handlebars than the current runtime. "+
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"Please update your runtime to a newer version ("+compilerInfo[1]+").";
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}
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}
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return result;
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};
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},
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programWithDepth: function(i, fn, data /*, $depth */) {
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var args = Array.prototype.slice.call(arguments, 3);
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var program = function(context, options) {
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options = options || {};
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return fn.apply(this, [context, options.data || data].concat(args));
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};
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program.program = i;
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program.depth = args.length;
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return program;
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},
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program: function(i, fn, data) {
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var program = function(context, options) {
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options = options || {};
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return fn(context, options.data || data);
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};
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program.program = i;
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program.depth = 0;
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return program;
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},
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noop: function() { return ""; },
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invokePartial: function(partial, name, context, helpers, partials, data) {
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var options = { helpers: helpers, partials: partials, data: data };
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if(partial === undefined) {
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throw new Handlebars.Exception("The partial " + name + " could not be found");
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} else if(partial instanceof Function) {
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return partial(context, options);
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} else if (!Handlebars.compile) {
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throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
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} else {
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partials[name] = Handlebars.compile(partial, {data: data !== undefined});
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return partials[name](context, options);
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}
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}
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};
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Handlebars.template = Handlebars.VM.template;
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;
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// lib/handlebars/browser-suffix.js
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if (typeof module === 'object' && module.exports) {
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// CommonJS
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module.exports = Handlebars;
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} else if (typeof define === "function" && define.amd) {
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// AMD modules
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define(function() { return Handlebars; });
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} else {
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// other, i.e. browser
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this.Handlebars = Handlebars;
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}
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}).call(this);
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;
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